Home / 177,781.76-245,365.98-101,300.56

Finding the Fourth Proportional to 177,781.76, 245,365.98 and 101,300.56

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Solution

The fourth proportional to 177,781.76, 245,365.98 and 101,300.56 is: 139,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,781.76 : 245,365.98 = 101,300.56 : x
  2. Step 2: Convert to fraction form
    177,781.76/245,365.98 = 101,300.56/x
  3. Step 3: Cross multiply
    177,781.76x = 245,365.98 × 101,300.56
  4. Step 4: Simplify right side
    177,781.76x = 24,855,711,178.95
  5. Step 5: Solve for x
    x = 24,855,711,178.95/177,781.76
  6. Step 6: Final answer
    x = 139,810.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.